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firmware: adjustments for Mk.II Rev.C; enable timesetting from SNES menu

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This commit is contained in:
ikari
2011-03-14 01:45:34 +01:00
parent 9af83658e7
commit bfe9a91d07
34 changed files with 2811 additions and 2564 deletions
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69
src/rtc.c
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@@ -2,12 +2,22 @@
#include <arm/bits.h>
#include "config.h"
#include "rtc.h"
#include "uart.h"
#include "timer.h"
#include "power.h"
rtcstate_t rtc_state;
#define CLKEN 0
#define CTCRST 1
uint8_t rtc_isvalid(void) {
if(LPC_RTC->GPREG0 == RTC_MAGIC) {
return RTC_OK;
}
return RTC_INVALID;
}
void rtc_init(void) {
if (LPC_RTC->CCR & BV(CLKEN)) {
rtc_state = RTC_OK;
@@ -23,11 +33,25 @@ void read_rtc(struct tm *time) {
time->tm_hour = LPC_RTC->HOUR;
time->tm_mday = LPC_RTC->DOM;
time->tm_mon = LPC_RTC->MONTH;
time->tm_year = LPC_RTC->YEAR - 1900;
time->tm_year = LPC_RTC->YEAR;
time->tm_wday = LPC_RTC->DOW;
} while (time->tm_sec != LPC_RTC->SEC);
}
uint8_t calc_weekday(struct tm *time) {
int month = time->tm_mon;
int year = time->tm_year;
int day = time->tm_mday;
/* Variation of Sillke for the Gregorian calendar.
* http://www.mathematik.uni-bielefeld.de/~sillke/ALGORITHMS/calendar/weekday.c */
if (month <= 2) {
month += 10;
year--;
} else month -= 2;
return (83*month/32 + day + year + year/4 - year/100 + year/400) % 7;
}
void set_rtc(struct tm *time) {
LPC_RTC->CCR = BV(CTCRST);
LPC_RTC->SEC = time->tm_sec;
@@ -35,17 +59,21 @@ void set_rtc(struct tm *time) {
LPC_RTC->HOUR = time->tm_hour;
LPC_RTC->DOM = time->tm_mday;
LPC_RTC->MONTH = time->tm_mon;
LPC_RTC->YEAR = time->tm_year + 1900;
LPC_RTC->DOW = time->tm_wday;
LPC_RTC->YEAR = time->tm_year;
LPC_RTC->DOW = calc_weekday(time);
LPC_RTC->CCR = BV(CLKEN);
LPC_RTC->GPREG0 = RTC_MAGIC;
}
void invalidate_rtc() {
LPC_RTC->GPREG0 = 0;
}
uint32_t get_fattime(void) {
struct tm time;
read_rtc(&time);
return ((uint32_t)time.tm_year-80) << 25 |
return ((uint32_t)time.tm_year-1980) << 25 |
((uint32_t)time.tm_mon) << 21 |
((uint32_t)time.tm_mday) << 16 |
((uint32_t)time.tm_hour) << 11 |
@@ -56,7 +84,7 @@ uint32_t get_fattime(void) {
uint64_t get_bcdtime(void) {
struct tm time;
read_rtc(&time);
uint16_t year = time.tm_year + 1900;
uint16_t year = time.tm_year;
return ((uint64_t)(time.tm_wday % 7) << 56)
|((uint64_t)((year / 1000) % 10) << 52)
@@ -74,3 +102,34 @@ uint64_t get_bcdtime(void) {
|((time.tm_sec / 10) << 4)
|(time.tm_sec % 10);
}
void set_bcdtime(uint64_t btime) {
struct tm time;
time.tm_sec = (btime & 0xf) + ((btime >> 4) & 0xf) * 10;
time.tm_min = ((btime >> 8) & 0xf) + ((btime >> 12) & 0xf) * 10;
time.tm_hour = ((btime >> 16) & 0xf) + ((btime >> 20) & 0xf) * 10;
time.tm_mday = ((btime >> 24) & 0xf) + ((btime >> 28) & 0xf) * 10;
time.tm_mon = ((btime >> 32) & 0xf) + ((btime >> 36) & 0xf) * 10;
time.tm_year = ((btime >> 40) & 0xf) + ((btime >> 44) & 0xf) * 10
+ ((btime >> 48) & 0xf) * 100 + ((btime >> 52) & 0xf) * 1000;
printtime(&time);
set_rtc(&time);
}
void printtime(struct tm *time) {
printf("%04d-%02d-%02d %02d:%02d:%02d\n", time->tm_year, time->tm_mon,
time->tm_mday, time->tm_hour, time->tm_min, time->tm_sec);
}
void testbattery() {
printf("%lx\n", LPC_RTC->GPREG0);
LPC_RTC->GPREG0 = RTC_MAGIC;
printf("%lx\n", LPC_RTC->GPREG0);
LPC_RTC->CCR = 0;
BITBAND(LPC_SC->PCONP, PCRTC) = 0;
delay_ms(20000);
BITBAND(LPC_SC->PCONP, PCRTC) = 1;
printf("%lx\n", LPC_RTC->GPREG0);
delay_ms(20);
LPC_RTC->CCR = BV(CLKEN);
}